RE: ORGLIST: about peachmann reaction

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From: Jon Kremsky (jkremsky$##$
Date: Wed Mar 02 2005 - 10:01:22 EST

There are at least two Pechmann reactions. One is for the synthesis of
coumarins from phenols and beta-ketoesters and is the most well known. The
other is the cycloaddition of actyelenes with diazomethane to form
pyrazoles. Descriptions and leading references can be found in the Merck

Jon Kremsky
  -----Original Message-----
  From: everybody-bounces$##$
[mailto:everybody-bounces$##$]On Behalf Of hasannudin hasannudin
  Sent: Wednesday, March 02, 2005 6:44 AM
  To: everybody$##$
  Subject: ORGLIST: about peachmann reaction

  hi every body, i am student in bandung institute of tech.
  now i have a task about sintesis some coumpound about peachmann reaction.
  i cant find , how its mecanism,

  could anyone help me, how can i learn about that reaction...

  thank you to all..


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